QB Issue Resolution:

The OP said
I receive in a can as non-inventory against

If the OP is using a non inventory item as stated, there is NO inventory, it is expensed when purchased.

use a service item to sell cups of coffee

Resolution for Issue 'How do I set up items for sale like coffee where I receive in a can as non-inventory against my “deli dept” and then sell a cup of coffee and track sales & not inventory' available: Yes (Solved).
Source: Intuit Community forum.

How do I set up items for sale like coffee where I receive in a can as non-inventory against my “deli dept” and then sell a cup of coffee and track sales & not inventory: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

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